Rigby is a city located in Idaho. With a 2020 population of 4,241, it is the 37th largest city in Idaho and the 5238th largest city in the United States. Rigby is currently growing at a rate of 0.57% annually and its population has increased by 7.50% since the most recent census, which recorded a population of 3,945 in 2010. Spanning over 2 miles, Rigby has a population density of 1,800 people per square mile.
The average household income in Rigby is $51,400 with a poverty rate of 16.69%. The median rental costs in recent years comes to $793 per month, and the median house value is $138,600. The median age in Rigby is 26.2 years, 26.7 years for males, and 25.7 years for females. For every 100 females there are 92.5 males.